Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Share this with
All episodes available on BBC iPlayer (20 total)
All upcoming (2 new and 1 repeat)
Couples who met online are needed as Horizon delves into the science of online dating
See all clips from Horizon
Celebrate over 50 years of Horizon with this free downloadable
ebook for tablets
What’s your ‘tipsy’ point?
Find out which of these anti-hangover strategies could actually work